Finding and Verifying CAS Registry Numbers® on STN®— March 1993 —

Conclusion

Now that you have been introduced to online searching in the
REGISTRY File, you have the tools to find the CAS Registry
Number that matches your substance. After studying the information
and practicing the commands in this booklet, you will be able
to find and verify Registry Numbers in many cases. You will also
have an idea of when to get help and where to find it. STN
welcomes the opportunity to answer your questions to help you
get the information you need.